week 8.

Week Eight: Starts to practice moving

You are 8 weeks pregnant. (six weeks from conception)
The embryo is measures about 18 mm (3/4 inch) in length.
Their arms and legs are growing and location of the elbows and toes are visible..
The feet and hand buds have appeared.
Starts to practice moving (not felt by mom till week 20)
The stomach is being made from part of the gut.
The face is beginning to take shape.
Your baby's mouth and nostrils are starting to develop.
Teeth begin to develop under the gums.
The eyes can now be seen as small hollows on each side of the head.

Baby

The arms and legs continue to develop - These limbs are stretching out more and more. Later on you will be feeling those feet and elbows up close and personal right in your bladder. The embryonic tail has almost disappeared.

The pituitary gland is also forming and the embryo is beginning to grow muscle fibers. The heart has divided into the right and left chambers and is beating about 150 beats a minute which is about twice the rate of an adult.

The baby's facial features are visible, including a mouth and tongue. The eyes have a retina and lens. The major muscle system is developed, and the baby starts to practice moving. The baby has its own blood type and the blood cells are produced by the liver now instead of the yolk sac.
MotherYour first prenatal visit is usually scheduled between week eight and week twelve. This visit is the longest and most in depth of all your scheduled visits, lasting about an hour. During your first prenatal visit, your caregiver will try to establish your general health and family's medical history. You will be asked a lot of questions, many of which may seem personal, try and answer them as best you can.

It is a good idea to bring any medical records you may have with you to your first prenatal visit. You will be asked if you have had previous pregnancies or miscarriages, and the date of your last menstrual period (LMP). The last menstrual period prior to pregnancy and used to calculate the estimated due date of the baby (EDD).

A physical exam may be performed during your first prenatal visit, also your height, weight and blood pressure will be recorded on your medical records. Depending on when you have your first prenatal visit, you may have some routine prenatal tests performed during your meeting.
Your caregiver may decide to schedule an NT ultrasound sometime between week 10 and week 14 and/or an ultrasound between week sixteen and week twenty ( Anomaly/Growth scan ).

(http://www.baby2see.com/development/week8.html)